1323 results about "Xanthan gum" patented technology

The invention belongs to the field of gene engineering, and particularly relates to application of an XC3225 gene in increasing the yield of xanthomonas campestris pv. Campestris xanthan gum. The invention finds that the XC3225 gene has a negative regulation effect on the xanthan gum yield, and the xanthan gum yield is remarkably improved by inhibiting or knocking out the XC3225 gene in the genome of xanthomonas campestris pv. Campestris, so that a new gene resource is provided for xanthan gum preparation.

The invention discloses an oral care desensitization paste and a preparation method thereof, and mainly relates to the technical field of dental medicines. The oral care desensitization cream is prepared from the following components: bioactive glass, strontium chloride, sodium chloride, silicon dioxide, sodium carboxymethyl cellulose, polyethylene glycol 400, a xanthan gum solution, sodium lauryl sulfate, sodium lauroyl sarcosinate, titanium dioxide, beta-glucan, saccharin sodium salt, sorbitol, methylparaben, propyl hydroxybenzoate, edible essence and water. Compared with the prior art, the oral care desensitization paste disclosed by the invention can be used for sealing dentinal tubules and treating hemodia; the traditional Chinese medicine composition can also be used for treating plaque gingivitis, relieving and reducing gingival bleeding and inhibiting and reducing dental plaque; and meanwhile, the condition of mistakenly swallowing and eating in the using process is reduced.

The invention relates to the field of nutrient solutions, and particularly discloses a high-calcium-zinc dietary nutrient solution for promoting skeletal development and a preparation method thereof, the high-calcium-zinc dietary nutrient solution for promoting skeletal development comprises the following raw materials: calcium citrate, zinc citrate, a zinc-containing yeast extract, vitamin D3, a nutrition enhancer, functional oligosaccharide, xanthan gum, anhydrous citric acid, essence, a sweetening agent and water; the preparation method comprises the following steps: mixing the zinc citrate, the zinc-containing yeast extract, the seaweed meal, the natto powder, the stachyose and the trehalose to prepare a mixture A; uniformly premixing stevioside, xanthan gum and trehalose to obtain a mixture B; s4, vitamin D3 powder and trehalose are premixed and dissolved, and a mixture C is prepared; heating the residual water, adding the mixture A, the fructo-oligosaccharide, the anhydrous citric acid, the calcium citrate, the mixture B, the trehalose and the mixture C, adding the essence, and stirring to obtain the beverage. The preparation method has the characteristic of preparing the liquid calcium-zinc dietary nutrient solution with good absorption and utilization rate and palatability.

The invention relates to preparation of high-stability mascarpone cheese and application of the mascarpone cheese in baking, and belongs to the technical field of cheese preparation. The glutamine transaminase is combined with a citric acid-sodium citrate system, so that the excessive denaturation of protein is reduced, and the texture and flavor of the cheese are improved. Trehalose and xanthan gum are added for locking water and resisting freezing, and an antioxidant is combined for use, so that the freeze-thaw stability and oxidation resistance of the cheese are improved, the cheese is protected from texture change and oxidative damage in the freezing and unfreezing processes, and excellent texture and flavor can still be kept after multiple times of circulation. Arabic gum is modified through octenyl succinic anhydride, amphipathy is obtained, whey separation is prevented, whey loss is reduced, and the cheese taste is improved.

The invention relates to the field of veterinary drugs, in particular to a furalan chewable tablet and a preparation method thereof.According to the furalan chewable tablet, a coating agent with xanthan gum, gelatin and other components as main bodies is utilized, the coating performance of the furalan chewable tablet on furalan is improved, and good palatability can be provided on the basis that the whole furalan chewable tablet has good hardness, tablet preparation performance and disintegration performance; the feed is more suitable for animals to eat.

The invention discloses a medicinal and edible anti-alcoholism composition and a preparation method thereof, and relates to the crossing field of biotechnology and food and medicine, the composition comprises the following components: dried orange peel powder, vitamin C, glutathione, phellinus igniarius extract, polygonatum sibiricum extract, oriental wormwood extract, isatis root extract, schisandra chinensis extract, ginseng powder, lucid ganoderma extract and licorice extract. Silymarin, puerarin, white tomato powder, watermelon powder, fucoidin, tomato powder, mung bean powder, celery powder, turmeric powder, hawthorn fruit powder, honey powder, corn peptide, soybean peptide powder, xanthan gum and stevioside are added. The composition provided by the invention has the effect of increasing the content of ethanol dehydrogenase and acetaldehyde dehydrogenase in blood after drinking, and has the capability of promoting alcohol metabolism.

The invention relates to the technical field of suspending agent preparation, and discloses a macroelement water-soluble fertilizer suspending agent, which comprises macroelements, medium trace elements, a suspending agent and an auxiliary agent, and a preparation method of the macroelement water-soluble fertilizer suspending agent comprises the following steps of: preparing the macroelement water-soluble fertilizer suspending agent; the preparation method comprises the following steps: S1, raw material pretreatment, S2, macroelement dissolution, S3, medium trace element addition, S4, suspending agent and auxiliary agent addition, S5, fine treatment, and S6, packaging and storage, the stability of the suspending agent is significantly enhanced: a more stable suspension system is constructed by precisely adjusting the ratio of xanthan gum to the sodium carboxymethyl cellulose suspending agent, and the unique component proportion enables the fertilizer to have a better effect after the fertilizer is stored for 6 months. The nutrient precipitation rate can still be kept below 5%, the uniformity of the fertilizer in the storage and transportation process is effectively guaranteed, farmers do not need to worry about uneven fertilization caused by nutrient precipitation in the application process, it is guaranteed that crops can continuously and evenly absorb nutrients, and healthy growth is promoted.

The invention discloses a microbial agent for improving the yield and quality of strawberries and a preparation method and application thereof, and belongs to the technical field of microorganisms. The microbial agent comprises the following raw materials in parts by weight: 40-50 parts of a compound microbial agent, 0.3-0.5 part of xanthan gum, 1.5-2 parts of glycerol, 4-5 parts of a citric acid-sodium citrate buffer solution, 1-1.5 parts of potassium humate, 0.3-0.5 part of monopotassium phosphate, 0.2-0.3 part of chelated calcium magnesium and the balance of water, wherein the total parts by weight of the raw materials are 100; the compound microbial agent is prepared from arthrobacter Xinjiang, linear Prussella bursa-pastoris and bacillus coagulans. The microbial agent disclosed by the invention can be used for effectively preventing and treating strawberry diseases, including root rot, fusarium wilt, gray mold and anthracnose; through the synergistic effects of hormone secretion, nutrient activation, disease inhibition and the like, the microbial agent comprehensively promotes root development and nutrient absorption of strawberry plants, promotes strawberry growth, remarkably improves the strawberry yield and fruit quality, and meanwhile remarkably reduces the strawberry storage rotting rate.

The invention discloses antibacterial polypeptide and application thereof in preparation of pet shower gel, and belongs to the technical field of antibacterial polypeptide. The antibacterial polypeptide is prepared from the following raw materials in parts by weight: 2 to 5 parts of glycerol, 3 to 5 parts of plant polypeptide, 20 to 40 parts of sorbitol, 1 to 2 parts of sodium carboxymethyl cellulose, 0.5 to 1 part of xanthan gum, 2 to 5 parts of sodium methyl hydroxybenzoate, 0.5 to 1 part of a surfactant, 0.5 to 1 part of chlorhexidine, 0.05 to 0.3 part of triclosan and 100 parts of deionized water. The antibacterial polypeptide prepared by the invention can be applied to the preparation process of pet shower gel, and has good antibacterial performance.

A solid gel foam fire extinguishing agent includes a material A and a material B; the material A includes the following components in mass percentage: 18% to 25% of an inorganic silicate, 0.25% of sodium carboxymethyl cellulose, 0.25% of sodium alginate, 0.1% to 0.5% of xanthan gum, 0.5% to 1% of polyvinyl alcohol, 0.5% to 1.5% of sodium lauryl sulfate, 0.01% to 0.05% of dodecanol, 0.005% to 0.01% of disodium ethylenediaminetetraacetate, and water as a balance; and the material B includes the following components in mass percentage: 25% of sodium dihydrogen phosphate, 25% of acetic acid, 1% to 1.5% of fatty alcohol polyoxyethylene ether, 0.1% to 0.5% of 3% aqueous film-forming foam, 0.01% to 0.05% of the dodecanol, and water as a balance. The fire extinguishing agent exhibits advantages including low density, low oil wettability, high resistance, high adhesiveness, and foam collapse-resistant properties in fire resistance.

The present invention relates to the technical field of inorganic multi-color coatings, and specifically relates to a preparation method and apparatus for an inorganic multi-color coating, and a use. The preparation method comprises the following raw materials: base paint: water, cellulose, a defoaming agent, a dispersing agent, a wetting agent, a luminescent material, an inorganic hybrid emulsion, an odorless pH regulator, and a bactericide; granulation liquid: water, a bactericide, xanthan gum, protective colloid powder, an odorless pH regulator, nanocellulose, and a defoaming agent; and a continuous phase emulsion: an inorganic hybrid emulsion, a bactericide, inorganic gel, deionized water, an odorless pH regulator, a thickening agent, and a defoaming agent. In the present invention, a mixture of CaAl2O4 calcium aluminate and BaAlO4 barium aluminate is added to serve as a luminescent material, the luminescent material can absorb and store solar energy by means of a specific mode when exposed to sunlight during the daytime, and at night, the internally stored energy is converted into optical radiation to be released, thereby realizing a light-emitting effect and realizing the luminous function of the coating.

The invention discloses a beautifying essence which comprises the following components in percentage by weight: 1% of bifidus yeast fermentation liquor, 3% of boine, 2% of nicotinamide, 0.3% of gallnut extract, 1% of purslane extract, 0.3% of allantoin, 0.2% of centella asiatica extract, 0.3% of tocopherol extract, 0.5% of aesculus chinensis extract, 2% of vitamin E, 0.05% of xanthan gum, 0.05% of sodium hyaluronate, 0.2% of carbomer, 0.5% of p-hydroxyacetophenone, 0.5% of 1, 2-propylene glycol and the balance of water. The cleaning agent is prepared from, by weight, 0.5% of 1, 2-hexanediol, 5% of glycerin, 4% of PEG / PPG-14 / 7 dimethyl ether, 2.2% of glycosylglycerol, 0.2% of tetrahydroxypropyl ethylenediamine, 3% of polyglycerol-3, 0.05% of PDRN powder and the balance water. Effect evaluation test results show that the beauty essence can inhibit the activity of elastase and increase the content of type I collagen in human primary fibroblasts, so that the firming and anti-wrinkle effects are achieved.

The invention belongs to the technical field of paint removers, and discloses a high-efficiency and environment-friendly paint remover as well as a preparation method and a paint removal method thereof. The paint remover comprises a main solvent, a cosolvent, a surfactant and a thickening agent, the main solvent comprises diethylene glycol monobutyl ether, the cosolvent comprises glycerol and propylene glycol carbonate, the surfactant comprises an anionic surfactant and a nonionic surfactant, and the thickening agent comprises an anionic surfactant and a nonionic surfactant. The non-ionic surface active agent comprises sorbitan fatty acid ester and an organic silicon surface active agent, and the thickening agent comprises xanthan gum and a nanometer aluminum oxide solution. The paint remover does not contain dichloromethane, is low in toxicity and environment-friendly, can quickly swell and strip high polymer molecules of a paint film, thoroughly destroy the adhesive force of the paint film to a substrate and remove the paint film through selective and matched use of specific components, does not cause any corrosion and adverse effect on an aluminum alloy substrate, and is suitable for industrial production. Residues of the depainted base material can be quickly cleaned away, and the phenomena of blackening or whitening and the like are avoided.

A wellbore fluid includes a continuous phase comprising an oleaginous fluid, a discontinuous phase comprising a non-oleaginous fluid, an emulsion of the discontinuous phase in the continuous phase, at least one emulsifier disposed around droplets of the discontinuous phase, at least one gelling material comprising at least one of xanthan gum, scleroglucan gum, gellan gum, carrageenan gum, or curdlan gum, and at least one crosslinker dispersed within the non-oleaginous fluid of the discontinuous phase. Related methods and treatment fluids are also disclosed.

The invention discloses a repairing mask containing Chinese rose hydrolat, which is prepared from the following components: the Chinese rose hydrolat, pure water, 1, 3-butanediol, allantoin, carbomer, sodium hyaluronate, xanthan gum, arginine, nicotinamide, 1, 2-pentanediol, 1, 2-hexanediol, octylene glycol, menthol, a carbohydrate gum composition, squalane nanoemulsion and a wrapping freshener. The invention discloses a production process of a repairing mask containing Chinese rose hydrolat. The repairing mask containing the Chinese rose hydrolat has the advantages of moisturizing, soothing and calming, nourishing skin, whitening and fading spots.

The invention relates to a composite phase change cold storage material and a preparation method thereof. According to the technical scheme, 60-90 wt% of deionized water, 4-34 wt% of anhydrous sodium formate, 2-5 wt% of anhydrous potassium sulfate and 1-4 wt% of xanthan gum are evenly mixed and dispersed, and a phase change cold storage medium is prepared; the preparation method comprises the following steps: mixing 64-75wt% of absolute ethyl alcohol, 15-20wt% of deionized water, 9-12wt% of nitric acid solution and 1-4wt% of expanded graphite, and standing to obtain dispersion liquid I; uniformly mixing 60 to 70 weight percent of tetrabutyl titanate and 30 to 40 weight percent of absolute ethyl alcohol, so as to obtain dispersion liquid II; uniformly mixing 30-40wt% of the dispersion liquid II and 60-70wt% of the dispersion liquid I under the condition of 70-100 DEG C, filtering and drying to prepare the nano titanium dioxide coated expanded graphite; 30-40 wt% of expanded graphite wrapped by nanometer titanium dioxide and 60-70 wt% of a phase change cold storage medium are subjected to vacuum impregnation and compression molding, and the composite phase change cold storage material is prepared. The prepared product is high in heat conductivity, large in phase change latent heat value, small in supercooling degree and good in cycling stability.

The invention discloses a fluoride-free gel foam extinguishing agent and a preparation method thereof. The fluoride-free gel foam extinguishing agent is composed of a composite foaming agent, a composite gelling agent, a cross-linking agent, a flame retardant and water. The weight percentage of each component is as follows: 0.1-3% of the composite foaming agent, 0.1-5% of the composite gelling agent, 0.1-1% of the cross-linking agent, 3-5% of the flame retardant and the balance of water. The preparation method of the fluoride-free gel foam extinguishing agent comprises the following steps: S1, preparing the foam component; s2, preparing a gel component; and S3, the foam component and the gel component are mixed and stirred to be uniform, the mixture is poured into a foaming device to be subjected to foaming operation, and then the fluoride-free gel foam extinguishing agent is obtained. The konjaku flour and the xanthan gum in the fire extinguishing agent have a cross-linking effect with aluminum citrate to form a stable three-dimensional cross-linked network structure, so that the stability and the water retention capacity of foam are improved, a good synergistic effect is achieved, and the fire extinguishing effect is enhanced.

The invention discloses an anti-wrinkle firming face cream based on camellia oleosa seed oil diglyceride and a preparation method of the anti-wrinkle firming face cream. The anti-wrinkle firming face cream is prepared from deionized water, glycerin, butanediol, sodium hyaluronate, camellia oleosa seed oil diglyceride, squalane, simmondsia chinensis seed oil, cetearyl glucoside, glyceryl stearate, acetyl hexapeptide-8, palmitoyl tripeptide-1, vitamin E, 1, 2, 4-trimethyl-1, 3-pentanediol and a proper amount of water. The component A is prepared from 1, 2-hexanediol, caprylyl glycol, a thickening agent and a pH regulator; in the aspect of efficacy, through the synergistic effect of the camellia oleosa seed oil diglyceride, the acetyl hexapeptide-8, the palmitoyl tripeptide-1 and the vitamin E, efficient anti-wrinkle tightening is achieved; in the aspect of skin feeling, squalane and jojoba oil are matched with a light emulsifying system and trace xanthan gum, so that velvet matte texture is made, and the velvet is soft, smooth and not sticky; in the aspect of safety, 1, 2-hexanediol and caprylyl glycol which are safe and free of sensitization are used for corrosion prevention, no irritating component is generated, the anti-allergic skin care lotion is suitable for various skin types, the allergy risk is reduced, and reliable and comfortable skin care experience is brought to consumers.

The invention discloses a high-water-content large-dosage titanium gypsum-based flow-state curing material as well as a preparation method and application thereof, and belongs to the technical field of industrial solid waste resource utilization and building materials. According to the material, 50-70 parts of titanium gypsum, 15-30 parts of slag / fly ash and 5-15 parts of alkaline residue / carbide slag are used as main raw materials, and 0.1-1 part of xanthan gum is used as a flow state regulator as an auxiliary material. The material has high fluidity and self-compaction performance, the mechanical strength (7-day compressive strength is larger than or equal to 5 MPa) and the water stability (the water stability coefficient is larger than or equal to 0.7) of titanium gypsum can be remarkably improved, and meanwhile the leaching concentration of solidified heavy metal ions is lower than a standard value. The preparation method comprises the processes of raw material pretreatment, dry mixing, wet mixing and maintenance, is suitable for the fields of roadbed filling, building 3D printing, mine backfilling and the like, and realizes collaborative development of solid waste recycling and low-carbon building materials.

The invention is applicable to the technical field of toothpaste preparation, and particularly relates to mild stain-removing and whitening toothpaste containing diatomite and coconut shell carbon and a preparation method of the mild stain-removing and whitening toothpaste. The mild stain-removing and whitening toothpaste comprises 9-30% of Changbai Mountain diatomite abrasive, 32-38% of sorbitol, 2-4% of sodium lauroyl silicate, 2-3% of polyethylene glycol 400 and 0.5-2% of coconut shell carbon. The toothpaste is prepared from the following components in percentage by weight: 0.6 to 1 percent of polyvinylpyrrolidone, 0.5 to 0.8 percent of honeysuckle flower extract, 0.5 to 0.7 percent of pseudo-ginseng extract, 0.5 to 0.8 percent of xanthan gum, 0.1 to 0.2 percent of 1, 2-hexanediol, 0.5 to 0.8 percent of essence and water. The diatomite and coconut shell carbon used in the invention are refined natural food-grade raw materials, do not contain chemical components, have low hardness, are suitable for children and sensitive people, and do not damage enamel; the selected Changbai Mountain diatomite and coconut shell carbon with the iodine value of 1500-3000 have a synergistic effect, and the Chinese herbal medicine extract is added to assist in degerming; the adsorption, whitening and deodorizing capabilities of the toothpaste are greatly improved, and the toothpaste can quickly remove stains, whiten and remove bad breath.

The invention provides a preparation method of a root knot nematode disease plant source nematicide, and belongs to the technical field of computational chemistry. The preparation method comprises the following steps: firstly, collecting tobacco plant materials in a root knot nematode disease high-incidence area, drying and crushing; determining optimal extraction parameters through a plant extraction parameter optimization function, and carrying out reflux extraction by taking ethanol as a solvent; filtering and concentrating an extracting solution, and adding an organic silicon surfactant and xanthan gum to enhance the stability; adjusting the pH value and adding a preservative; a high-pressure homogenizer is used for treatment, so that the dispersion uniformity is improved; component analysis and activity evaluation are carried out through a plant nematicidal activity prediction model, and the model is based on a convolutional neural network and a Transform architecture, and accurate prediction is realized through an adaptive attention mechanism; and filling the preparation and storing in a dark place. The whole preparation process realizes standardized control of components, and solves the technical problem of large difference between batches of traditional plant source nematocides.

The invention relates to a string maintenance nanoemulsion and a preparation method thereof, and belongs to the technical field of string maintenance. The nanoemulsion comprises polysorbate 80 and sorbitan stearate 60 as main emulsifiers, glyceryl monostearate, cetyl alcohol and stearyl alcohol as auxiliary emulsifiers, liquid paraffin and xanthan gum for adjusting the consistency, chitosan-loaded sodium hyaluronate nanoparticles as a long-acting humectant, and glycerol and propylene glycol as humectants and also can be used as anti-freezing agents. Ethylparaben is used as a preservative; and essence and the balance of water can be selectively added. Uniformly mixing and stirring the water-soluble components; uniformly mixing and stirring oil soluble components; and adding the oil phase into the water phase, stirring to form primary emulsion, emulsifying, homogenizing, cooling, and adding essence to obtain the product. According to the invention, the chitosan-loaded sodium hyaluronate nanoparticles are introduced to realize long-acting moisturizing and moistening of strings, and have the advantages of fine and soft texture and the like.

The invention provides a hydrogel fire extinguishing additive, a preparation method thereof and a fire extinguishing agent. The hydrogel fire extinguishing additive comprises the following raw materials in parts by mass: 1-3 parts of a gelatinizing agent, 1-4 parts of a thickening agent, 1-3 parts of a stabilizer, 2-5 parts of a cross-linking agent, 1-3 parts of a surfactant, 2-6 parts of a phosphorus flame retardant and 3-5 parts of an antifreeze agent. The gelatinizing agent is selected from one or more of methyl cellulose, hydroxypropyl methyl cellulose and hydroxyethyl cellulose; the thickening agent is selected from one or more of sodium carboxymethyl cellulose, konjac glucomannan, sodium alginate, sodium polyacrylate and xanthan gum; the cross-linking agent is selected from one or more of calcium chloride, magnesium sulfate, calcium sulfate, magnesium chloride, potassium chloride and sodium nitrate. The temperature and pH double-response hydrogel fire extinguishing agent provided by the invention has the characteristics of quick response capability, high-temperature stability, good environmental adaptability, safety and environmental protection, and can be well used for efficient extinguishing and continuous cooling control of a lithium ion battery fire.

The invention belongs to the technical field of organic fertilizer production, and discloses a method for preparing a high-fulvic-acid type organic fertilizer through minute-level decomposition of chicken manure and application of the high-fulvic-acid type organic fertilizer. The preparation method comprises the steps that urea peroxide, potassium percarbonate, potassium hydroxide and ferrous sulfate are added into pretreated chicken manure, the mixture is stirred and fully mixed at the temperature of 20-30 DEG C and then stands, decomposition is conducted, and the high-fulvic-acid type organic fertilizer is obtained. The decomposition time does not exceed 30 min, and the content of fulvic acid in the high fulvic acid type organic fertilizer is 10-15 wt%; the application comprises the following steps: fully mixing the high fulvic acid type organic fertilizer with the attapulgite and the xanthan gum, granulating by a drum method, and then uniformly applying the mixture to the surface of soil according to 67-100kg / mu. According to the invention, the combination of urea peroxide, potassium percarbonate, potassium hydroxide and ferrous sulfate is utilized to quickly compose the chicken manure, the fulvic acid content and humification degree of the composted chicken manure are high, effective humification of the chicken manure within a short time is realized, the fertilizer efficiency is improved, and the method has important application prospects.

Xanthomonas campestris for fermentative production of transparent xanthan gum and a method for using Xanthomonas campestris are provided. The Xanthomonas campestris is Xanthomonas campestris F417-6, deposited in Guangdong Province Microbiological Culture Collection Center on May 12, 2023, with a deposit number of GDMCC NO: 63459. The method includes preparing xanthan gum by performing fermentation using the Xanthomonas campestris as a fermentation strain.

The invention provides a dietary fiber anti-obesity and internal fat-reducing composition and a preparation method and application thereof, and the dietary fiber anti-obesity and internal fat-reducing composition comprises the following components in percentage by mass: a metabolic regulation formula which comprises 0.8-1.2% of mulberry leaf extract, 0.3-0.5% of potato extract, 0.2-0.4% of gamma-aminobutyric acid microcapsules and 4.0-6.0% of isomaltooligosacharide; the water management formula comprises 0.5 to 1.0 percent of opuntia ficus-indica powder and 0.2 to 0.4 percent of fructus gardeniae powder; the auxiliary regulation formula comprises the following components in percentage by weight: 2.0 to 4.0 percent of fructo-oligosaccharide, 0.05 to 0.15 percent of sucralose, 0.10 to 0.30 percent of xanthan gum and 0.05 to 0.15 percent of sodium citrate; and the nutrition fortification formula comprises 0.1-0.3% of taurine and 0.5-1.0% of a compound nutrition fortifier, and the compound nutrition fortifier contains vitamin B6 / B12, magnesium, iron and zinc. By constructing a fiber barrier-enzymolysis network-targeted metabolism three-in-one system, accurate reduction and control of visceral fat are achieved, fat oxidation combustion can be promoted, fat decomposition can be accelerated, fat accumulation can be reduced, and the method can be used for preparation of liquid beverages, preparation of powdery electuary and preparation of far infrared bagged powder solid beverages and has good application prospects. And the application scenarios are greatly increased.

The invention relates to a polysaccharide and oligopeptide composition and application thereof in promoting plant growth. The polysaccharide and oligopeptide composition comprises the following components: xanthan gum, algal polysaccharides, a grifola frondosa extract, soybean oligopeptide, wheat oligopeptide, corn oligopeptide, modified silicon dioxide, itaconic acid, indolebutyric acid, glycine, glutamic acid, citric acid and fatty alcohol-polyoxyethylene ether. Wherein the modified silicon dioxide is obtained by reacting silicon dioxide with an acrylate-based silane coupling agent and then reacting with acrylic acid esterified humic acid. According to the plant growth promoter, the modified silicon dioxide is compounded with various substances such as polysaccharide and oligopeptide, the components are good in compatibility, the stability of the product is improved, the action time is prolonged, the absorption efficiency is improved, plant growth can be efficiently promoted, the defects of existing products are overcome, and the plant growth promoter has important significance on development of plant growth promoter products.

The invention discloses an elastic chewable nicotine oral product and a preparation method thereof. The elastic chewable nicotine oral product comprises a nicotine source and an additive, the nicotine source is dissolved in the mixed solution of the additive, so that the nicotine oral product forms a soft elastomer, and the nicotine is slowly released in the oral cavity through chewing; the nicotine source is extracted or chemically synthesized from tobacco; the additive comprises a gelling agent, and the gelling agent comprises one or a combination of more of gelatin, agar, konjac polysaccharide, xanthan gum, pectin, carrageenan, sodium alginate, semen plantaginis polysaccharide, guar gum, gellan gum, curdlan, whey protein, casein or soybean protein. The gel is added into the carrier to realize physical embedding of the nicotine, the elastic and chewable oral nicotine product can be obtained without bonding fixation, and the nicotine is released through gel swelling-diffusion regulation, so that the oral nicotine product has no residue in the oral cavity and does not pollute the package when being used, and the purposes of dynamically releasing the nicotine and improving the consumption experience are realized.

The application discloses a meat protein emulsion with low-sodium and low-oil phase characteristics for 3D printing and a preparation method and application thereof. The application utilizes anionic polysaccharide xanthan gum and L-arginine to synergistically stabilize the low-sodium and low-oil phase meat protein emulsion, and improves the 3D printing performance thereof. The xanthan gum and L-arginine enhance the stability and rheological properties of the emulsion by inducing the unfolding of meat protein structure and reducing the oil-water interfacial tension. The xanthan gum can also prevent the aggregation of droplets by constructing a weak gel network in the water phase and providing negative charges. Therefore, the meat protein emulsion stabilized by the synergistic action of the xanthan gum and L-arginine overcomes the problems of poor emulsion stability and inability to print caused by partial replacement of sodium salt and low oil phase, and endows the meat protein emulsion with good viscoelasticity, thixotropic recovery performance and self-supporting property, thereby realizing high-fidelity printing. The application recommends the dual use of the xanthan gum and L-arginine, which can not only reduce the intake of sodium and oil to ensure health, but also help produce high-quality or personalized muscle protein food.

The invention provides a high-barrier nanocellulose-based liquid mulching film and a preparation method thereof. The high-barrier nanocellulose-based liquid mulching film comprises a carboxylated nanocellulose solution, hydrophobic modified starch, a compound emulsifier, glycerol, xanthan gum and potassium humate, the carboxylated nano-cellulose solution is obtained by carboxylating and modifying a nano-cellulose solution through succinic anhydride; the compound emulsifier comprises rosin glyceride, polyethylene glycol 400 and nano silicon dioxide; the hydrophobic modified starch is obtained by sequentially carrying out hydrophobic modification on starch through dodecyl glycidyl ether and crosslinking with glycerol triglycidyl ether. The liquid mulching film provided by the invention has excellent barrier property, mechanical strength and environmental adaptability, the effective covering time in a field is remarkably prolonged, and the repeated application requirement caused by rapid damage of a film layer is reduced.